Answer:
x-30y=100 and 10y=x-20
Step-by-step explanation:
4 pounds = $1.96
1.96 / 4 = $0.49
You should definitely give one to the disabled person and 4 to the other people
<h2>
Answer:</h2>
The answer is 16.
<h2>
Step-by-step explanation:</h2>
Since the 8x is positive, the equation must have y as a positive number.
Let's see this!
An easy way to complete the square if you have the constants for x2 and
But not the non-variable number is to divide the x constant, and then square it.
Example:

The last number must be 16. Let's check it.
